Secure PDF Tools

Encrypt documents with user and owner passwords, manage printing and editing permissions, remove known restrictions, and verify document checksums. 100% private in-browser file tools with zero telemetry and zero server uploads.

Available Secure PDF Tools

PDF Redact with Synthetic Data

Replace real PII with believable dummy data while preserving layout for demos

PDF Deep Sanitizer & Exploit Cleaner

Strip malicious scripts, launch triggers, embedded files, and tracking streams

Unlock PDF

Remove PDF password protection

Change Permissions

Control printing, copying, and editing

Compare PDFs

Generate a side-by-side text diff report

Digital Signature

Place a visual signature on a PDF

Metadata Editor

Read and edit PDF metadata

Permanent Redaction

Permanent Redaction for local files

Watermark

Stamp text across your document

Protect PDF

Secure your document with a password

Legal Redline Comparison

Compare contracts with red strikethrough & green additions vector PDF export

Zero-Knowledge PDF Notary

Client-side cryptographic SHA-256 seal and proof of existence certificate

Bates Numbering Studio

Sequential discovery Bates stamping with custom prefixes, zero-padding & audit boxes

Deep PDF Sanitizer

Forensic inspection and surgical purging of hidden metadata, XMP packets, and JS